/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package web;

import ejb.Customer;
import ejb.CustomerFacade;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author RasJLK
 */
@WebServlet(name = "CustomerList", urlPatterns = {"/CustomerList"})
public class CustomerList extends HttpServlet {
    @EJB
    private CustomerFacade customerFacade;
    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.getSession(true);
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        try {
            /*
             * TODO output your page here. You may use following sample code.
             */
            List<Customer> customers = customerFacade.findAll();
            
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Customer List</title>");
            out.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" media=\"screen\" />");
            out.println("</head>");
            out.println("<body>");
            out.println("<table style=\"width:50%\"><caption>Customer List</caption> "
                    + "<tr><th></th><th></th>"
                    + "<th>Customer Id</th>"
                    + "<th>Customer Name</th>"
                    + "<th>Address</th>"
                    + "<th>Contact No</th></tr> ");
            for( Iterator it = customers.iterator(); it.hasNext();){
                Customer cust = (Customer) it.next();
                out.println("<tr>"
                        + "<td><a href=\"CheckCustome?id="+ cust.getId() +"\">Edit</a></td>"
                        + "<td><a href=\"RemoveCustomer?id="+ cust.getId() +"\">Remove</a></td>"
                        + "<td>" + cust.getId() + "</td>"
                        + "<td>" + cust.getName() + "</td>"
                        + "<td>" + cust.getAddress() + "</td>"
                        + "<td>" + cust.getContactNo() + "</td>"
                        + "</tr>");
            }
            out.println("</table><br /><br />");
            out.println("<a href=\"CheckCustome\">Add new Customer</a>");
            out.println("<a href=\"OrderList\">View Orders</a>");
            out.println("</body>");
            out.println("</html>");
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
